#644DEE#644DEE

#644DEE is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 54.4% C 0.230 H 282.1°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#644DEE
RGB	rgb(100, 77, 238)
HSL	hsl(249, 83%, 62%)
HSV	hsv(249, 68%, 93%)
CMYK	cmyk(58%, 67.6%, 0%, 6.7%)
CIE-LAB	lab(44.50, 52.31, -77.93)
CIE-LCH	lch(44.50, 93.86, 303.87°)
OKLab	oklab(54.4% 0.0482 -0.2244)
OKLCH	oklch(54.4% 0.23 282.1)
XYZ	xyz(23.3372, 14.1886, 82.3813)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DEE #D7EE4D

analogous

#4D87EE #644DEE #B44DEE

triadic

#644DEE #EE644D #4DEE64

tetradic

#644DEE #EE4D87 #D7EE4D #4DEEB4

square

#644DEE #EE4D87 #D7EE4D #4DEEB4

split-complementary

#644DEE #EEB44D #87EE4D

monochromatic

#2811B0 #3416E8 #644DEE #9585F3 #C5BDF9

Accessibility & contrast

On white

5.47

#644DEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#644DEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DEE

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DEE	#FFFFFF	#000000	##FFFFFF
##644DEE	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF3

Deuteranopia (green-blind)

#0064EB

Tritanopia (blue-blind)

#057798

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #644dee;
/* rgb */ color: rgb(100, 77, 238);
/* oklch */ color: oklch(54.4% 0.230 282.1);

Tailwind

colors: {
  custom: {
    50: '#9e81f5',
    500: '#644dee',
    950: '#000000',
  },
}

SCSS

$custom: #644dee;
$custom-light: #9e81f5;
$custom-dark: #000000;

JSON

{
  "hex": "#644dee",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 238
  },
  "hsl": {
    "h": 248.571,
    "s": 82.564,
    "l": 61.765
  },
  "oklch": {
    "l": 0.54401,
    "c": 0.22952,
    "h": 282.1
  },
  "luminance": 0.1419
}

Semantic roles & 50–950 ramp

primary

#644DEE

secondary

#E1E9AE

accent

#DF07C0

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644DEE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →